Welcome

Energy Efficient New Construction Home Energy Raters provides support services to help homebuilders, architects, and developers navigate energy code compliance issues and Energy Certification, with an emphasis on practical, low costs strategies.   Hands on Experience + Lessons Learned = Builder Friendly Strategies   The Home Energy Raters team of…

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Air Sealing / Air Barriers

A pre-construction plan analysis  can identify critical  air sealing and air barrier details  and help builder get the biggect impact for the lowest cost and avoid any headaches at the final inspection. Typical area to be aware of are as follows.   Tubs/ shower units on outside walls. Install insulation…

2012 IECC

2012 IECC Energy Code Technical Support

On July 1, 2014 Massachusetts adopted the new 2012 IECC Energy Code. Major changes to this new code include,   Insulation level upgrades Air Barrier Detailing Mandated Blower door leakage testing Mandated Duct leakage testing Optional Performance based compliance (HERS Ratings) New Ventilation Requirements       Home Energy Raters…

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Blower Door and Duct Testing

Blower Door Testing A Blower door is a diagnostic tool designed to measure the airtightness of buildings and to help identify air leakage locations. A blower door consists of a calibrated fan for measuring an airflow rate, and a pressure-sensing device to measure the air pressure created by the fan…

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HERS INDEX – Energy Modeling

Home Energy Raters uses sophisticated residential energy analysis software to calculate energy loads and consumption for heating, cooling, hot water, lighting, and appliances. This forecasting tool helps us size mechanical systems and ventilation flows, prior to construction. “What if” scenarios run prior to construction can provide the following, • Determine…

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2012 IECC New Ventilation Requirements

The new Massachusetts Energy code now requires mandatory mechanical ventilation that meets section 403.5 and ASHRAE 62.2-2013. Home Energy Raters can calculate the ventilation requirements for your project and help you design, field test, and commission the system. We can work with you to offer the most appropriate system design…